Alert archive / Colorado / Special Weather Statements in 2014
Special Weather Statement, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this special weather statement at Aug 5, 2014, 1:49 PM MDT for Douglas County, Colorado. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 5, 2014, 1:49 PM MDT (19:49 UTC)
- Expired
- Aug 5, 2014, 2:45 PM MDT
- In force
- 56 min
- Issued by
- NWS Denver/Boulder, CO
County Douglas County, CO
The radar
The Denver radar (KFTG), 61 km from the middle of the area, began a volume at 19:51 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 7.8 hours before the alert went out and 165 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2090 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Denver/Boulder, CO wrote its last area forecast discussion before this special weather statement went out at Aug 5, 10:05 AM MDT, 3 hours 44 minutes earlier.
Area forecast discussion, Aug 5, 10:05 AM MDT, 3 hours 44 minutes before
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</head>
<body>
<main class="wrap">
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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Please try again in a few minutes.
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</html>Hazardous weather outlook, Aug 5, 11:01 AM MDT, 2 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1101 AM MDT TUE AUG 5 2014 COZ030>051-061715- JACKSON COUNTY BELOW 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 1101 AM MDT TUE AUG 5 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT SHOWERS AND THUNDERSTORMS WILL BECOME NUMEROUS EARLY ON THIS AFTERNOON. ISOLATED SHOWERS OVER THE PLAINS LATE THIS MORNING WILL CONTINUE TO MOVE EAST ALLOWING FOR CLEARING AND ADDITIONAL WARMTH FOR A MORE WIDESPREAD EVEN THIS AFTERNOON. WITH INCREASED MOISTURE IN THE ATMOSPHERE...SOME OF THE STORMS WILL PRODUCE BRIEF HEAVY RAIN AND GUSTY WINDS. HOWEVER THE RISK OF SEVERE STRENGTH WEATHER IS LOW OVERALL. STORMS OVER THE FAR NORTHEAST CORNER ARE EXPECTED TO BE STRONGER WITH MORE INSTABILITY AVAILABLE. STORMS MAY BE ABLE TO PRODUCE SMALL HAIL OVER THE NORTHEAST CORNER. STORM SPEEDS SHOULD BE FAST ENOUGH TO KEEP THE THREAT OF FLASH FLOODING LOW. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THERE IS A CHANCE OF THUNDERSTORMS DURING THE AFTERNOON AND EVENING HOURS ON WEDNESDAY...THURSDAY AND FRIDAY...MAINLY IN THE MOUNTAINS AND ACROSS THE NORTHEAST CORNER OF THE STATE AS A SERIES OF WEAK UPPER LEVEL WEATHER DISTURBANCES MOVE ACROSS THE AREA. A FEW STORMS ON THE FAR NORTHEAST PLAINS MAY PRODUCE LOCALLY HEAVY RAINFALL WHERE LOW-LEVEL MOISTURE WILL BE MORE ABUNDANT. BY SATURDAY...MONSOON MOISTURE MAY RETURN TO THE OUTLOOK AREA WHICH COULD INCREASE THE CHANCE OF THUNDERSTORMS IN MOST AREAS. DRIER CONDITIONS WILL THEN RETURN FOR SUNDAY AND MONDAY. TEMPERATURES DURING THE PERIOD ARE EXPECTED TO REMAIN NEAR TO SLIGHTLY BELOW AVERAGE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
In the hours before
Special weather statement, Aug 5, 1:49 PM MDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
149 PM MDT TUE AUG 5 2014
COZ036-040-041-052045-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET CO-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET CO-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE
COUNTIES/EAST BROOMFIELD COUNTY CO-
149 PM MDT TUE AUG 5 2014
...SPECIAL WEATHER STATEMENT...
AT 143 PM MDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR BUFFALO CREEK TO 6
MILES SOUTHWEST OF PERRY PARK...AND MOVING NORTHEAST AT 20 MPH.
BRIEF HEAVY RAINFALL...UP TO ONE HALF INCH IN 30 MINUTES...FREQUENT
CLOUD TO GROUND LIGHTNING AND WINDS IN EXCESS OF 30 MPH WILL BE
POSSIBLE WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
SOUTHWESTERN CENTENNIAL...HIGHLANDS RANCH...CASTLE ROCK...PARKER...
LONE TREE...ROXBOROUGH PARK...LARKSPUR...FRANKTOWN...SOUTH PLATTE...
DEVILS HEAD...SPRUCEWOOD...SURREY RIDGE...BUFFALO CREEK...SEDALIA...
LOUVIERS...THE PINERY...PERRY PARK...BEVERLY HILLS AND GREENLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BRIEF HEAVY RAINFALL MAY LEAD TO LOCALIZED STREET FLOODING. DO NOT
DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. THESE THUNDERSTORMS
WILL PASS ACROSS THE INTERSTATE 25 CORRIDOR FROM DENVER SOUTH
TOWARDS COLORADO SPRINGS.
BOATERS ARE URGED TO GET OUT OF THE WATER AND MOVE INDOORS OR INSIDE
A VEHICLE. REMEMBER...LIGHTNING CAN STRIKE OUT TO 15 MILES FROM THE
PARENT THUNDERSTORM. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH
TO BE STRUCK BY LIGHTNING. MOVE TO SAFE SHELTER NOW. DO NOT BE
CAUGHT ON THE WATER IN A THUNDERSTORM.
&&
LAT...LON 3913 10514 3950 10536 3954 10512 3950 10512
3949 10511 3949 10513 3948 10510 3955 10507
3959 10480 3914 10457
TIME...MOT...LOC 1943Z 224DEG 30KT 3941 10524 3917 10504
COOPERThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 6:37 PM MDT | Areal Flood Advisory | BOU | Arapahoe | 113 min |
| Aug 4, 7:55 PM MDT | Areal Flood Advisory | BOU | Elbert | 2 hr |
| Aug 5, 2:47 PM MDT | Areal Flood Advisory | BOU | Larimer | 88 min |
| Aug 5, 3:39 PM MDT | Areal Flood Advisory | BOU | Douglas | 81 min |
| Aug 5, 4:57 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln, Washington | 48 min |
| Aug 5, 5:36 PM MDT | Flash Flood Warning | BOU | Lincoln, Washington | 3 hr |
Nearby
Special Weather Statements in Colorado, 2014Every special weather statement in 2014
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.